It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinw...
对新汶矿区深部煤巷支护形式的和支护参数的选择具有一定的指导意义。
In roadway support, bolt support saves cost of support over profile steel, economic performance is distinctly improved.
锚杆支护在煤巷支护方面,较型钢支护程度不同地节约了支护费用,经济效益明显提高。
The bolt truss were used to reinforce a layer concrete beam in order to simulate a mine roadway support in a mine layer roof.
对锚拉支架支护层状顶板进行了模拟试验和参数优化研究;
Liangjia Coal Mine in Longkou mining area is a typical "three-soft" mining area, meeting many difficulties in roadway support.
龙口矿区梁家煤矿是典型的“三软”矿区,在巷道支护上遇到了非常大的困难。
The dynamic design method adopted in this paper provides a effective means of designing roadway support in deeply inclined seams.
试验表明采用的设计方法是科学合理的,填补了急倾斜煤层巷道支护理论和设计方法的空白。
It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinwen coal mine area.
对新汶矿区深部煤巷支护形式的和支护参数的选择具有一定的指导意义。
The example of the new-southern roadway support of Tao-er coal mine proved the reasonability of continuous double - shell's support.
以陶二煤矿新南总巷道支护为例,验证了连续双壳支护的合理性。
The pre-stress is an important parameter of the bolt support and would have an important influence to the mine roadway support effect.
预应力是锚杆支护中重要的参数,预应力对巷道支护效果有重要影响。
According to analysis of soft rock roadways in some mining area, offered some measures and Suggestions for increasing soft rock roadway support quality.
在分析几个矿区软岩巷道支护情况的基础上,提出了提高支护质量的可行措施与建议。
Through surveying overhead monorail load in varying state, it provides raliable basis for roadway support design and hanging design of overhead monorail.
介绍了锚杆悬吊单轨条件下,对单轨吊车载荷进行现场测定的一种方法。
The bolt types are various in coal mine roadway support. Different kinds of bolts have different anchorage performances and different applicable conditions.
煤矿巷道锚杆的种类繁多,我国煤矿巷道锚杆以树脂粘结式锚杆居多。
These supply theory reference for support design of soft rock roadway, and have important guidance meaning for roadway support technique practice of complex condition.
这些都为软岩巷道的支护工艺过程设计提供了理论参考,同时对于复杂条件下巷道支护的技术实践,具有重要的指导作用。
The paper analyzed the bolt pre-stress affected to the mine roadway support effect and the relevant relationship between the bolt pre-tightening torque and the pre-tension.
分析了锚杆预应力对巷道支护效果的影响,锚杆预紧扭矩与预紧力对应关系。
This paper theoretically analyzes the mechanism of truss bolt system, and gives the design of coal roadway support according to the characteristics of the "Three-soft" coal roadway.
从理论上分析了桁架锚杆系统的作用机理,并针对“三软”全煤巷道的特点,制定了全煤顺槽桁架支护方案。
Based on many years research of broken rock zone the paper describes roadway support theory, classification of rocks in the loose rock zone and mechanism of rock-bolting and shotcreting.
基于多年对围岩松动圈的研究成果,本文提出并论述了松动圈支护理论、松动圈围岩分类方法和锚喷支护机理三个问题。
The reliability analysis of roadway combination support in soft rock can be used in the design and check of roadway support. This method may be applied far and wide in mine and tunnel project.
软岩巷道联合支护可靠性分析,为软岩巷道支护设计、校核提供了理论依据和计算手段,该方法在矿山、隧道工程中也有广泛的应用价值。
The site, which is punctuated with large cross beams that support the elevated roadway, is approximately 55 feet wide (17 meters). The highway above measures 90 feet wide (27 metres).
该场地,通过建造大横梁来支持高架公路,横梁的尺寸约为55英尺宽(17米)。高架公路的宽度测量约为90英尺宽(27米)。
The combined support with cable bolt wire mesh and shotcreting is applied in coal roadway in Xingan coal Mine of Hegang Mining Industry Group.
鹤岗矿业集团兴安煤矿在煤巷中应用锚索锚杆挂网喷喧支护,取得了较好的技术经济效果。
In a survey that will be published on Thursday, almost two-thirds of Americans would support roadway user fees to help fix the country's deteriorating transportation infrastructure.
在周四将公布的一项调查中,近三分之二的美国人支持对道路使用者收费,以帮助解决美国日益恶化的交通基础设施。
The paper introduces an adjustable compounding light-duty emulsion pump station used for temporary fore support at the roof-bolt face of underground heading roadway.
本文介绍煤矿井下掘进巷道锚杆支护工作面用于临时超前支护的一种可调配比式轻型乳化液泵站。
The roadway manage, actual mining and support beside roadway in thin coal seam are introduced. Through planing reliable safety technology measures, better economic benefit has been achieved.
简要地介绍了薄煤层前进采煤的巷道布置、回采工艺及巷旁支护等,制定了切实可行的安全技术措施,取得较好的经济效益。
Through combined bolting with wire meshes, beam and cable anchor applied in large section roadway, this paper introduces how to select support parameter, working craft and support result.
通过锚、网、索组合支护在大断面煤巷中的应用,介绍了其支护参数的选择、施工工艺及支护效果。
New supporting technology and materials developed for coalmine mining not only satisfies the technical demands for roadway mesh support, but also decreases the supporting cost.
为煤矿生产研制开发的新的支护技术和材料,满足了煤巷锚网支护的技术要求,降低了支护成本。
After the roadway was excavated, the destruction of supporting roadway is very severe. The deformation of roadway is no convergence deformation; and the iron mine is difficult support mine.
进路开挖以后支护巷道破坏严重,其围岩变形为无收敛变形,也是国内支护较难的矿山之一。
Selecting support pattern is an important component in support design for mining roadway in fully mechanized caving face.
选择支护形式是综放回采巷道支护设计的重要内容。
This paper analyzes the problems appearing in the bolt support construction of coal roadway, and advances some solving measures.
分析了煤巷锚杆支护施工中出现的问题,提出了相应的解决措施。
The Practice has proven that the blot (rope) and point-to strengthen the comprehensive support technology in large-span large section of the roadway is feasible.
经实践证明,锚带网(索)及点柱加强的综合支护技术在大断面大跨度巷道是可行的。
The Practice has proven that the blot (rope) and point-to strengthen the comprehensive support technology in large-span large section of the roadway is feasible.
经实践证明,锚带网(索)及点柱加强的综合支护技术在大断面大跨度巷道是可行的。
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